Table 5.
Substitution layer of BRISK.
| x | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | A | B | C | D | E | F |
| S(x) | 5 | C | B | 6 | 9 | 0 | D | A | E | 3 | 8 | F | 4 | 1 | 7 | 2 |
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